<template>
  <view>
    <!--轮播图区域-->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" circular="true">
      <swiper-item v-for="(item,i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
          <image :src="item.image_src"></image>
        </navigator >
      </swiper-item>
    </swiper>
    <!--导航区 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item ,i) in navList" :key="i" @click="navClickHandler(item)">
        <image class="nav-img" :src="item.image_src"></image>
      </view>
    </view>
    <!--楼层渲染区 -->
    <view class="floor-list">
      <!--楼层item顶 -->
      <view class="floor-item" v-for="(item , i) in floorList" :key="i">
        <image class="floor-title" :src="item.floor_title.image_src"></image>
        <!--楼层区域图片-->
        <view class="floor-img-box">
          <!--左侧大图片-->
          <navigator class="left-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width:item.product_list[0].image_width + 'rpx'}"  
              mode="widthFix"></image>
          </navigator>        
        <!--右侧图片-->
          <view class="floor-right-box">
          <!--右侧小图片-->
            <navigator v-for="(item2,i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
              <image :src="item2.image_src" :style="{width:item2.image_width + 'rpx'}" mode="widthFix"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view> 
</view>

</template>

<script>
  export default {
    data() {
      return{
        //轮播图数据
        swiperList:[],
        //导航栏数据
        navList:[],
        //楼层数据
        floorList:[]
      }
    },
    onLoad() {
      this.getSwiperList(),
      this.getNavList(),
      this.getFloorList()
    },
    
    methods:{
      async getSwiperList(){
        const {data:res} = await uni.$http.get('/api/public/v1/home/swiperdata')
        if(res.meta.status !== 200) return uni.$showMsg()
          this.swiperList = res.message
      },
     async getNavList(){
      const {data:res} = await uni.$http.get('/api/public/v1/home/catitems')
      if(res.meta.status !== 200) return uni.$showMsg()
      this.navList = res.message
      },
      navClickHandler(item){
        if(item.name === "分类")
          uni.switchTab({
            url:'/pages/cate/cate'
          })
      },
     async getFloorList(){
      const {data:res} = await uni.$http.get('/api/public/v1/home/floordata')
      if(res.meta.status !== 200)return uni.$showMsg()
      // 通过双层 forEach 循环，处理 URL 地址
        res.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
      this.floorList = res.message
      }
    },
    
  }
</script>

<style lang="scss">
swiper{
  height: 330rpx;
  .swiper-item,
  image{
    width: 100%;
    height: 100%;
  }
}
.nav-list{
  display: flex;
  justify-content: space-around;
  margin: 15px 0;
}
.nav-img{
  height: 140rpx;
  width: 128rpx;
}
.floor-title{
  height: 60rpx;
  width: 100%;
  display: flex;
}
.floor-right-box{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
.floor-img-box{
  display: flex;
  padding-left: 10rpx;
}
</style>
